/*
Copyright (c) 2016 Red Hat, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package org.ovirt.engine.api.v3.adapters;

import static org.ovirt.engine.api.v3.adapters.V3OutAdapters.adaptOut;

import org.ovirt.engine.api.model.DiskAttachment;
import org.ovirt.engine.api.model.DiskSnapshot;
import org.ovirt.engine.api.resource.DiskAttachmentResource;
import org.ovirt.engine.api.resource.DiskAttachmentsResource;
import org.ovirt.engine.api.resource.VmResource;
import org.ovirt.engine.api.resource.VmsResource;
import org.ovirt.engine.api.restapi.resource.BackendApiResource;
import org.ovirt.engine.api.v3.V3Adapter;
import org.ovirt.engine.api.v3.types.V3DiskSnapshot;
import org.ovirt.engine.api.v3.types.V3Statistics;
import org.ovirt.engine.api.v3.types.V3Status;
import org.ovirt.engine.api.v3.types.V3StorageDomains;
import org.ovirt.engine.api.v3.types.V3VMs;

public class V3DiskSnapshotOutAdapter implements V3Adapter<DiskSnapshot, V3DiskSnapshot> {
    @Override
    public V3DiskSnapshot adapt(DiskSnapshot from) {
        V3DiskSnapshot to = new V3DiskSnapshot();
        if (from.isSetLinks()) {
            to.getLinks().addAll(adaptOut(from.getLinks()));
        }
        if (from.isSetActions()) {
            to.setActions(adaptOut(from.getActions()));
        }
        if (from.isSetActualSize()) {
            to.setActualSize(from.getActualSize());
        }
        if (from.isSetAlias()) {
            to.setAlias(from.getAlias());
        }
        if (from.isSetComment()) {
            to.setComment(from.getComment());
        }
        if (from.isSetDescription()) {
            to.setDescription(from.getDescription());
        }
        if (from.isSetDisk()) {
            to.setDisk(adaptOut(from.getDisk()));
        }
        if (from.isSetDiskProfile()) {
            to.setDiskProfile(adaptOut(from.getDiskProfile()));
        }
        if (from.isSetFormat()) {
            to.setFormat(from.getFormat().value());
        }
        if (from.isSetId()) {
            to.setId(from.getId());
        }
        if (from.isSetHref()) {
            to.setHref(from.getHref());
        }
        if (from.isSetImageId()) {
            to.setImageId(from.getImageId());
        }
        if (from.isSetInstanceType()) {
            to.setInstanceType(adaptOut(from.getInstanceType()));
        }
        if (from.isSetLogicalName()) {
            to.setLogicalName(from.getLogicalName());
        }
        if (from.isSetLunStorage()) {
            to.setLunStorage(adaptOut(from.getLunStorage()));
        }
        if (from.isSetName()) {
            to.setName(from.getName());
        }
        if (from.isSetOpenstackVolumeType()) {
            to.setOpenstackVolumeType(adaptOut(from.getOpenstackVolumeType()));
        }
        if (from.isSetPropagateErrors()) {
            to.setPropagateErrors(from.isPropagateErrors());
        }
        if (from.isSetProvisionedSize()) {
            to.setProvisionedSize(from.getProvisionedSize());
        }
        if (from.isSetQuota()) {
            to.setQuota(adaptOut(from.getQuota()));
        }
        if (from.isSetReadOnly()) {
            to.setReadOnly(from.isReadOnly());
        }
        if (from.isSetSgio()) {
            to.setSgio(from.getSgio().value());
        }
        if (from.isSetShareable()) {
            to.setShareable(from.isShareable());
        }
        if (from.isSetSnapshot()) {
            to.setSnapshot(adaptOut(from.getSnapshot()));
        }
        if (from.isSetSparse()) {
            to.setSparse(from.isSparse());
        }
        if (from.isSetStatistics()) {
            to.setStatistics(new V3Statistics());
            to.getStatistics().getStatistics().addAll(adaptOut(from.getStatistics().getStatistics()));
        }
        if (from.isSetStatus()) {
            V3Status status = new V3Status();
            status.setState(from.getStatus().value());
            to.setStatus(status);
        }
        if (from.isSetStorageDomain()) {
            to.setStorageDomain(adaptOut(from.getStorageDomain()));
        }
        if (from.isSetStorageDomains()) {
            to.setStorageDomains(new V3StorageDomains());
            to.getStorageDomains().getStorageDomains().addAll(adaptOut(from.getStorageDomains().getStorageDomains()));
        }
        if (from.isSetStorageType()) {
            to.setStorageType(from.getStorageType().value());
        }
        if (from.isSetTemplate()) {
            to.setTemplate(adaptOut(from.getTemplate()));
        }
        if (from.isSetUsesScsiReservation()) {
            to.setUsesScsiReservation(from.isUsesScsiReservation());
        }
        if (from.isSetVm()) {
            to.setVm(adaptOut(from.getVm()));
        }
        if (from.isSetVms()) {
            to.setVms(new V3VMs());
            to.getVms().getVMs().addAll(adaptOut(from.getVms().getVms()));
        }
        if (from.isSetWipeAfterDelete()) {
            to.setWipeAfterDelete(from.isWipeAfterDelete());
        }

        // In version 4 of the API the active attribute has been moved from the disk to the disk attachment, as it is
        // specific to the relationship between a particular VM and the disk. But in version 3 of the API we need to
        // continue supporting it. To do so we need to find the disk attachment and copy this attribute to the disk.
        if (to.isSetId() && to.isSetVm() && to.getVm().isSetId()) {
            String diskId = to.getId();
            String vmId = to.getVm().getId();
            VmsResource vmsResource = BackendApiResource.getInstance().getVmsResource();
            VmResource vmResource = vmsResource.getVmResource(vmId);
            DiskAttachmentsResource attachmentsResource = vmResource.getDiskAttachmentsResource();
            DiskAttachmentResource attachmentResource = attachmentsResource.getAttachmentResource(diskId);
            DiskAttachment attachment = attachmentResource.get();
            if (attachment.isSetActive()) {
                to.setActive(attachment.isActive());
            }
        }

        return to;
    }
}
